@font-face {
  font-family: "fzlt";
  src: url("../font/_gbk-webfont.eot");
  src: url("../font/_gbk-webfont.eot?#iefix") format("embedded-opentype"), url("../font/_gbk-webfont.woff2") format("woff2"), url("../font/_gbk-webfont.woff") format("woff"), url("../font/_gbk-webfont.ttf") format("truetype"), url("../font/_gbk-webfont.svg#fzlantinghei-el-gbkregular") format("svg");
  font-weight: normal;
  font-style: normal;
}
body {
  margin: 0;
  font-family: "fzlt";
}
body * {
  -webkit-text-size-adjust: 100%;
}
a,
input,
button {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
input,
button {
  border-radius: 0;
  -webkit-appearance: none;
}
a {
  text-decoration: none;
  color: #fff;
}
h1,
figure,
p,
h2,
h4,
ul {
  margin: 0%;
}
h1,
h2,
h4 {
  font-weight: normal;
}
img {
  vertical-align: top;
  border: none;
}
ul {
  list-style: none;
  padding: 0;
}
/* -------------------------  公共类 ------------------------- */
.clearfix::after {
  content: "";
  display: block;
  clear: both;
}
/**
  *设置背景图位置函数
  * @index : 循环次数 
  * @w : 背景图片的宽高 
  * @s : @size 
  * @L : 初始时图片距离左侧的距离 
  * @T : 初始时图片距离顶部的距离 
*/
/* -------------------------  栅格 ------------------------- */
.container {
  padding: 0 25px;
}
/**
  * 设置栅格系统函数
  * @index : 循环次数 
  * @num : 需要将宽度平分为多少个栅格 
  * @s : 设置使用的屏幕尺寸 xs表示小屏 lg表示大屏
*/
/**
  * 设置栅格系统的列排序函数
  * @index : 循环次数 
  * @num : 需要将宽度平分为多少个栅格 
  * @s : 设置使用的屏幕尺寸 xs表示小屏 lg表示大屏
*/
/* -------------------------  XS尺寸 ------------------------- */
.col-xs-1 {
  width: 7.69230769%;
  float: left;
}
.col-xs-2 {
  width: 15.38461538%;
  float: left;
}
.col-xs-3 {
  width: 23.07692308%;
  float: left;
}
.col-xs-4 {
  width: 30.76923077%;
  float: left;
}
.col-xs-5 {
  width: 38.46153846%;
  float: left;
}
.col-xs-6 {
  width: 46.15384615%;
  float: left;
}
.col-xs-7 {
  width: 53.84615385%;
  float: left;
}
.col-xs-8 {
  width: 61.53846154%;
  float: left;
}
.col-xs-9 {
  width: 69.23076923%;
  float: left;
}
.col-xs-10 {
  width: 76.92307692%;
  float: left;
}
.col-xs-11 {
  width: 84.61538462%;
  float: left;
}
.col-xs-12 {
  width: 92.30769231%;
  float: left;
}
.col-xs-13 {
  width: 100%;
  float: left;
}
.box_bj {
  background: url(../images/bj_circularone.png) no-repeat center top, url(../images/bj_bottom.png) no-repeat center bottom #1f2229;
  background-size: 100%;
}
.nav {
  height: 43px;
  border-bottom: 1px solid #15161a;
}
.nav .container {
  padding: 0;
}
.nav .back {
  font-size: 0;
  float: left;
  background: url(../images/icon.png) no-repeat;
  width: 19px;
  height: 20px;
  background-size: 200px;
  margin: 12px 0 0 10px;
}
.nav h1 {
  display: none;
  float: left;
}
.self_bj {
  background: rgba(0, 0, 0, 0.2);
}
.self_bj .self_pic .pic_box {
  padding: 26.5px 0 20px 5px;
  box-sizing: border-box;
}
.self_bj .self_pic .pic_box img {
  width: 100px;
  height: 100px;
  border: 1.5px solid #e16b5f;
  border-radius: 50%;
  box-sizing: border-box;
}
.self_bj .self_pic figcaption h1 {
  font-size: 24px;
  font-weight: bold;
  color: #fff;
  line-height: 38px;
  padding-top: 41px;
  padding-left: 12px;
}
.self_bj .self_pic figcaption h1 span {
  font-size: 16px;
  color: #e16b5f;
  line-height: 30px;
}
.self_bj .self_sign {
  background: url(../images/triangle.png) no-repeat;
  background-size: 100% 100%;
  font-size: 13px;
  color: #c5cbd0;
  line-height: 20px;
  padding: 21px 17px 15px 34.5px;
  position: relative;
}
.self_bj .self_sign:before,
.self_bj .self_sign:after {
  content: "";
  width: 13px;
  height: 13px;
  background: url(../images/icon.png) no-repeat -19px 0;
  background-size: 200px;
  position: absolute;
  left: 13.5px;
  top: 23px;
}
.self_bj .self_sign:after {
  position: static;
  background-position: -32px 0;
  display: inline-block;
  vertical-align: top;
  margin-top: 4.5px;
  margin-left: 5px;
}
.self_bj .self_mes {
  padding-top: 19px;
}
.self_bj .self_mes li {
  position: relative;
  font-size: 14px;
  line-height: 36px;
}
.self_bj .self_mes li span {
  position: absolute;
  left: 0;
  top: 0;
  width: 66px;
  text-align: right;
  padding-right: 9px;
  box-sizing: border-box;
  color: #8d8e8f;
}
.self_bj .self_mes li span::after {
  content: "";
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: #754978;
  top: 13.5px;
  right: -5.5px;
  z-index: 2;
}
.self_bj .self_mes li p {
  margin-left: 66px;
  color: #c5cbd0;
  line-height: 24px;
  padding: 6px 0 6px 11px;
  background: url(../images/context_center.png) repeat-y;
}
.self_bj .self_mes li:first-of-type p,
.self_bj .self_mes li:last-of-type p {
  background: none;
  position: relative;
}
.self_bj .self_mes li:first-of-type p:before,
.self_bj .self_mes li:last-of-type p:before {
  content: "";
  display: block;
  width: 2px;
  height: 56%;
  position: absolute;
  background: url(../images/context_center.png) repeat-y;
  left: 0;
  bottom: 0;
}
.self_bj .self_mes li:last-of-type p:before {
  top: 0;
  height: 15px;
}
.contact a {
  height: 59px;
  line-height: 59px;
  color: #c5cbd0;
  font-size: 12px;
  float: left;
}
.contact a:first-of-type::before,
.contact a:last-of-type::before {
  content: "";
  display: inline-block;
  vertical-align: top;
  width: 30px;
  height: 30px;
  background: url(../images/icon.png) no-repeat 0px -20px;
  background-size: 200px;
  margin: 15.5px 5px 0 5px;
}
.contact a:first-of-type {
  margin-right: 32px;
}
.contact a:last-of-type::before {
  background-position: -30px -20px;
}
.title {
  text-align: center;
}
.title h2 {
  font-size: 25px;
  line-height: 33.5px;
  color: #985a99;
}
.title h4 {
  font-size: 13px;
  line-height: 22.5px;
  color: #999999;
}
.skill_bj {
  background: #eef2f5;
  padding-top: 25px;
}
.skill_bj .skill_list {
  padding-top: 1px;
  padding-bottom: 35px;
}
.skill_bj .skill_list li {
  position: relative;
  height: 55px;
  width: 100%;
}
.skill_bj .skill_list li span:first-of-type,
.skill_bj .skill_list li span:last-of-type {
  position: absolute;
  height: 35px;
  line-height: 35px;
  font-size: 18px;
}
.skill_bj .skill_list li span:first-of-type {
  width: 55px;
  top: 20px;
  left: 0;
  background: #e26c60;
  text-align: center;
  color: #fff;
}
.skill_bj .skill_list li span:last-of-type {
  top: 20px;
  left: 55px;
  text-indent: 6px;
  z-index: 2;
  color: #e26c60;
}
.skill_bj .skill_list li em {
  position: absolute;
  top: 20px;
  left: 55px;
  background: #ede4e6;
  width: 10%;
  height: 35px;
}
.skill_bj .skill_list li:nth-of-type( 2) span:nth-of-type(1) {
  background: #60e26c;
}
.skill_bj .skill_list li:nth-of-type( 2) span:nth-of-type(2) {
  color: #60e26c;
}
.skill_bj .skill_list li:nth-of-type( 2) em {
  background: #d4f7d8;
}
.skill_bj .skill_list li:nth-of-type( 3) span:nth-of-type(1) {
  background: #60d6e2;
}
.skill_bj .skill_list li:nth-of-type( 3) span:nth-of-type(2) {
  color: #60d6e2;
}
.skill_bj .skill_list li:nth-of-type( 3) em {
  background: #d4f4f7;
}
.skill_bj .skill_list li:nth-of-type( 4) span:nth-of-type(1) {
  background: #6c60e2;
}
.skill_bj .skill_list li:nth-of-type( 4) span:nth-of-type(2) {
  color: #6c60e2;
}
.skill_bj .skill_list li:nth-of-type( 4) em {
  background: #d8d4f7;
}
.skill_bj .skill_list li:nth-of-type( 5) span:nth-of-type(1) {
  background: #e260d6;
}
.skill_bj .skill_list li:nth-of-type( 5) span:nth-of-type(2) {
  color: #e260d6;
}
.skill_bj .skill_list li:nth-of-type( 5) em {
  background: #f7d4f4;
}
.skill_bj .skill_list li:nth-of-type( 6) span:nth-of-type(1) {
  background: #e26c60;
}
.skill_bj .skill_list li:nth-of-type( 6) span:nth-of-type(2) {
  color: #e26c60;
}
.skill_bj .skill_list li:nth-of-type( 6) em {
  background: #f7d8d4;
}
.skill_bj .skill_list li:nth-of-type( 7) span:nth-of-type(1) {
  background: #d6e260;
}
.skill_bj .skill_list li:nth-of-type( 7) span:nth-of-type(2) {
  color: #d6e260;
}
.skill_bj .skill_list li:nth-of-type( 7) em {
  background: #f4f7d4;
}
.skill_bj .skill_list li:nth-of-type( 8) span:nth-of-type(1) {
  background: #60e26c;
}
.skill_bj .skill_list li:nth-of-type( 8) span:nth-of-type(2) {
  color: #60e26c;
}
.skill_bj .skill_list li:nth-of-type( 8) em {
  background: #d4f7d8;
}
.skill_bj .skill_list li:nth-of-type( 9) span:nth-of-type(1) {
  background: #60d6e2;
}
.skill_bj .skill_list li:nth-of-type( 9) span:nth-of-type(2) {
  color: #60d6e2;
}
.skill_bj .skill_list li:nth-of-type( 9) em {
  background: #d4f4f7;
}
.work {
  padding-top: 25px;
  padding-bottom: 15px;
}
.work .work_list {
  padding-top: 23px;
  padding-left: 14.5px;
}
.work .work_list li {
  position: relative;
}
.work .work_list li header {
  position: relative;
  padding-top: 8px;
  border-bottom: 1px solid #e26c60;
  border-left: 1px solid #e26c60;
  height: 31px;
}
.work .work_list li header span:nth-child(1) {
  font-size: 12px;
  line-height: 28px;
  color: #e26c60;
  float: left;
  padding-left: 27px;
  padding-top: 3px;
}
.work .work_list li header span:nth-child(2) {
  font-size: 15px;
  line-height: 31px;
  color: #e26c60;
  float: right;
  padding-right: 5px;
  bottom: 0;
}
.work .work_list li header em {
  position: absolute;
  width: 30px;
  height: 30px;
  padding: 4px;
  background-color: #fff;
  border-radius: 50%;
  left: -20.5px;
  bottom: -20.5px;
  border: 1px solid transparent;
  border-top: 1px solid #e26c60;
  transform: rotate(45deg);
}
.work .work_list li header em::before {
  content: "";
  position: absolute;
  width: 30px;
  height: 30px;
  background: url(../images/icon.png) 0 -127px no-repeat;
  background-size: 200px;
  background-origin: content-box;
  background-clip: content-box;
  z-index: 3;
}
.work .work_list li header::after {
  content: "";
  position: absolute;
  width: 6px;
  height: 6px;
  background-color: #e26c60;
  border-radius: 50%;
  right: 0;
  bottom: -3.5px;
}
.work .work_list li .content {
  padding-left: 18px;
  padding-top: 5.5px;
  border-left: 1px solid #985a99;
}
.work .work_list li .content h4 {
  font-size: 16px;
  line-height: 32.5px;
  color: #464646;
  position: relative;
}
.work .work_list li .content h4::before {
  content: "";
  position: absolute;
  width: 6px;
  height: 6px;
  background-color: #985a99;
  border-radius: 50%;
  left: -21.5px;
  top: 14px;
}
.work .work_list li .content p {
  font-size: 12px;
  line-height: 24px;
  color: #afafaf;
}
.work .work_list li:nth-child(1) header::before {
  content: "";
  position: absolute;
  width: 6px;
  height: 6px;
  background-color: #e26c60;
  border-radius: 50%;
  left: -3.5px;
  top: 0;
}
.work .work_list li:nth-child(2) em:before {
  background-position: -30px -127px;
}
.work .work_list li:nth-child(3) em:before {
  background-position: -60px -127px;
}
.work .work_list li:nth-child(4) em:before {
  background-position: -90px -127px;
}
.work .work_list li:last-of-type .content p:after {
  content: "";
  position: absolute;
  width: 6px;
  height: 6px;
  background-color: #e26c60;
  border-radius: 50%;
  left: -3px;
  bottom: 0;
}
.work .work_list li:nth-child(odd) header {
  border-color: #e26c60;
}
.work .work_list li:nth-child(odd) header::after {
  background-color: #e26c60;
}
.work .work_list li:nth-child(odd) em {
  border-top-color: #e26c60;
}
.work .work_list li:nth-child(odd) .content {
  border-color: #985a99;
}
.work .work_list li:nth-child(odd) .content h4:before {
  background-color: #985a99;
}
.work .work_list li:nth-child(even) header {
  border-color: #985a99;
}
.work .work_list li:nth-child(even) header::after {
  background-color: #985a99;
}
.work .work_list li:nth-child(even) em {
  border-top-color: #985a99;
}
.work .work_list li:nth-child(even) .content {
  border-color: #e26c60;
}
.work .work_list li:nth-child(even) .content h4:before {
  background-color: #e26c60;
}
.demos .container {
  padding-top: 25px;
  padding-bottom: 50px;
  background: #eef2f5;
}
.demos .demos_list {
  padding-top: 20px;
  color: #fff;
}
.demos .demos_list > li {
  margin-top: 5px;
  background-color: #e26c60;
}
.demos .demos_list > li > h2 {
  text-indent: 10px;
  line-height: 50px;
  font-size: 18px;
}
.demos .demos_list > li > h2 span {
  float: left;
  width: 20px;
  height: 20px;
  background: url(../images//icon.png) no-repeat -67.5px 0;
  background-size: 200px;
  margin-left: 9.5px;
  margin-top: 15px;
}
.demos .demos_list > li > h2 span.li_active {
  background-position: -47.5px 0;
}
.demos .demos_list > li .item_list {
  background: #fff;
  display: none;
}
.demos .demos_list > li .item_list.list_active {
  display: block;
}
.demos .demos_list > li .item_list li .item_name {
  color: #000;
  font-size: 16px;
  line-height: 49.5px;
  text-indent: 15px;
  border-top: 1.5px solid #eef2f5;
}
.demos .demos_list > li .item_list li .item_content {
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  background-color: #fff;
  padding: 0 15px;
  transform: translateX(100vw);
  transition: 0.3s;
}
.demos .demos_list > li .item_list li .item_content .head {
  position: relative;
  width: 100vw;
  margin-left: -15px;
  height: 40px;
  background-color: #000;
  z-index: 99;
}
.demos .demos_list > li .item_list li .item_content .head .back {
  font-size: 0;
  float: left;
  background: url(../images/icon.png) no-repeat;
  width: 19px;
  height: 20px;
  background-size: 200px;
  margin: 12px 0 0 10px;
}
.demos .demos_list > li .item_list li .item_content header {
  height: 67px;
  padding-top: 8.5px;
  box-sizing: border-box;
  background: linear-gradient(#ffffff 0, #ffffff 65px, rgba(0, 0, 0, 0) 65px, rgba(0, 0, 0, 0) 67px), repeating-linear-gradient(90deg, #d8d8d8 0, #d8d8d8 2px, #ffffff 2px, #ffffff 3px);
}
.demos .demos_list > li .item_list li .item_content header h2 {
  line-height: 27px;
  font-size: 18px;
  color: #000;
  padding: 0;
}
.demos .demos_list > li .item_list li .item_content header h4 {
  line-height: 21.5px;
  font-size: 12px;
  color: #999999;
}
.demos .demos_list > li .item_list li .item_content article {
  color: #777879;
  font-size: 15px;
  line-height: 25px;
  padding-top: 10px;
  padding-bottom: 9.5px;
}
.demos .demos_list > li .item_list li .item_content img {
  width: 100%;
}
.demos .demos_list > li .item_list li .item_content button {
  border: none;
  padding: 0;
  display: block;
  width: 100%;
  height: 40px;
  background-color: #985a99;
  color: #fff;
  margin-top: 15px;
  font-size: 14px;
}
.demos .demos_list > li .item_list li .item_content .share {
  padding: 15px 0;
  height: 35px;
}
.demos .demos_list > li .item_list li .item_content .share span:first-of-type {
  line-height: 35px;
  font-size: 14px;
  color: #777879;
  float: left;
}
.demos .demos_list > li .item_list li .item_content .share span:last-of-type {
  position: absolute;
  float: left;
}
.demos .demos_list > li .item_list li .item_content .share span:last-of-type a {
  float: left;
  display: inline-block;
  width: 35px;
  height: 35px;
  padding: 0 6px;
  background: url(../images/icon.png) no-repeat;
  background-size: 200px;
  background-origin: content-box;
  background-clip: content-box;
}
.demos .demos_list > li .item_list li .item_content .share span:last-of-type a:nth-of-type( 1) {
  background-position: 0px -50px;
}
.demos .demos_list > li .item_list li .item_content .share span:last-of-type a:nth-of-type( 2) {
  background-position: -35px -50px;
}
.demos .demos_list > li .item_list li .item_content .share span:last-of-type a:nth-of-type( 3) {
  background-position: -70px -50px;
}
.demos .demos_list > li .item_list li .item_content .share span:last-of-type a:nth-of-type( 4) {
  background-position: -105px -50px;
}
.demos .demos_list > li .item_list li .item_content .share span:last-of-type a:nth-of-type( 5) {
  background-position: -140px -50px;
}
.demos .demos_list > li .item_list li .item_content .share span:last-of-type a:last-of-type {
  padding-right: 0;
}
.demos .demos_list > li .item_list li:first-of-type {
  border-top: none;
}
.demos .demos_list > li .item_list .item_active .item_name {
  background: #fdf6f5;
  border-color: #e4877e;
}
.products {
  background: #e26c60;
}
.products .container {
  padding-top: 25px;
  padding-bottom: 21px;
}
.products .title h2 {
  color: #fff;
}
.products .title h4 {
  color: #fff;
}
.products .project_list > li:after {
  content: "";
  display: block;
  width: 100vw;
  height: 1px;
  background-color: #e88980;
  margin-left: -25px;
}
.products .project_list > li:last-of-type:after {
  height: 0;
}
.products .project_list > li header {
  padding: 21px 0;
  position: relative;
  word-wrap: break-word;
  word-break: break-all;
  overflow: hidden;
  display: flex;
}
.products .project_list > li header .headImg {
  width: 160.5px;
  height: 104.5px;
  float: left;
}
.products .project_list > li header .headImg img {
  width: 160.5px;
  height: 104.5px;
  border-radius: 5px;
}
.products .project_list > li header .headTitle {
  float: left;
  padding: 7.5px 0 0 25px;
  box-sizing: border-box;
}
.products .project_list > li header .headTitle p {
  line-height: 23.5px;
}
.products .project_list > li header .headTitle p:first-child {
  font-size: 16px;
  color: #fff;
}
.products .project_list > li header .headTitle p:last-child {
  font-size: 12px;
  color: #cfcfcf;
}
.products .project_list > li article {
  font-size: 13px;
  line-height: 18px;
  color: #fff;
}
.products .project_list > li footer .use_skills {
  margin: 12px 0 15px 0;
}
.products .project_list > li footer .use_skills li {
  float: left;
  margin-right: 8px;
  width: 65px;
  height: 22px;
  border-radius: 1.5px;
  background-color: #fff;
  text-align: center;
  line-height: 22px;
  font-size: 12px;
  color: #4d437f;
  border: 1px solid #bc5045;
}
.backtop {
  display: none;
  width: 42px;
  height: 42px;
  background: url(../images/icon.png) 0 -85px;
  background-size: 200px;
  position: fixed;
  right: 12px;
  bottom: 12px;
}
/* -------------------------  SM尺寸 ------------------------- */
@media all and (max-width: 960px) {
  .sm_hide {
    display: none;
  }
}
@media all and (min-width: 768px) {
  .container {
    padding: 0 50px;
  }
  .nav {
    height: 86px;
    border-bottom: 2px solid #15161a;
  }
  .nav .back {
    width: 38px;
    height: 40px;
    background-size: 400px;
    margin: 24px 0 0 20px;
  }
  .title {
    text-align: center;
  }
  .title h2 {
    font-size: 50px;
    line-height: 67px;
    color: #985a99;
  }
  .title h4 {
    font-size: 26px;
    line-height: 45px;
    color: #999999;
  }
  .self_bj .self_pic .pic_box {
    padding: 53px 0 40px 20px;
  }
  .self_bj .self_pic .pic_box img {
    width: 200px;
    height: 200px;
    border: 3px solid #e16b5f;
  }
  .self_bj .self_pic figcaption h1 {
    font-size: 48px;
    line-height: 76px;
    padding-top: 82px;
    padding-left: 24px;
  }
  .self_bj .self_pic figcaption h1 span {
    font-size: 32px;
    line-height: 60px;
  }
  .self_bj .self_sign {
    font-size: 26px;
    line-height: 40px;
    padding: 42px 34px 30px 69px;
  }
  .self_bj .self_sign:before,
  .self_bj .self_sign:after {
    width: 26px;
    height: 26px;
    background: url(../images/icon.png) no-repeat -38px 0;
    background-size: 400px;
    left: 27px;
    top: 46px;
  }
  .self_bj .self_sign:after {
    background-position: -64px 0;
    margin-top: 9px;
    margin-left: 10px;
  }
  .self_bj .self_mes {
    padding-top: 38px;
  }
  .self_bj .self_mes li {
    font-size: 28px;
    line-height: 72px;
  }
  .self_bj .self_mes li span {
    width: 132px;
    padding-right: 18px;
  }
  .self_bj .self_mes li span::after {
    width: 18px;
    height: 18px;
    top: 27px;
    right: -11px;
  }
  .self_bj .self_mes li p {
    margin-left: 132px;
    line-height: 48px;
    padding: 12px 0 12px 22px;
  }
  .self_bj .self_mes li:last-of-type p:before {
    height: 30px;
  }
  .contact a {
    height: 118px;
    line-height: 118px;
    font-size: 24px;
  }
  .contact a:first-of-type::before,
  .contact a:last-of-type::before {
    width: 60px;
    height: 60px;
    background: url(../images/icon.png) no-repeat 0px -40px;
    background-size: 400px;
    margin: 31px 10px 0 10px;
  }
  .contact a:first-of-type {
    margin-right: 64px;
  }
  .contact a:last-of-type::before {
    background-position: -60px -40px;
  }
  .skill_bj {
    padding-top: 50px;
  }
  .skill_bj .skill_list {
    padding-top: 2px;
    padding-bottom: 70px;
  }
  .skill_bj .skill_list li {
    height: 110px;
  }
  .skill_bj .skill_list li span:first-of-type,
  .skill_bj .skill_list li span:last-of-type {
    height: 70px;
    line-height: 70px;
    font-size: 36px;
  }
  .skill_bj .skill_list li span:first-of-type {
    width: 110px;
    top: 40px;
  }
  .skill_bj .skill_list li span:last-of-type {
    top: 40px;
    left: 110px;
    text-indent: 12px;
  }
  .skill_bj .skill_list li em {
    top: 40px;
    left: 110px;
    height: 70px;
  }
  .work {
    padding-top: 50px;
    padding-bottom: 30px;
  }
  .work .work_list {
    padding-top: 46px;
    padding-left: 29px;
  }
  .work .work_list li header {
    padding-top: 16px;
    border-bottom: 2px solid #e26c60;
    border-left: 2px solid #e26c60;
    height: 62px;
  }
  .work .work_list li header span:nth-child(1) {
    font-size: 24px;
    line-height: 56px;
    padding-left: 54px;
    padding-top: 6px;
  }
  .work .work_list li header span:nth-child(2) {
    font-size: 30px;
    line-height: 62px;
    padding-right: 30px;
    bottom: 0;
  }
  .work .work_list li header em {
    width: 60px;
    height: 60px;
    padding: 8px;
    left: -42px;
    bottom: -42px;
    border: 2px solid transparent;
    border-top: 2px solid #e26c60;
  }
  .work .work_list li header em::before {
    width: 60px;
    height: 60px;
    background: url(../images/icon.png) 0 -254px no-repeat;
    background-size: 400px;
  }
  .work .work_list li header::after {
    width: 12px;
    height: 12px;
    bottom: -7px;
  }
  .work .work_list li .content {
    padding-left: 36px;
    padding-top: 11px;
    border-left: 2px solid #985a99;
  }
  .work .work_list li .content h4 {
    font-size: 32px;
    line-height: 65px;
  }
  .work .work_list li .content h4::before {
    width: 12px;
    height: 12px;
    left: -43px;
    top: 28px;
  }
  .work .work_list li .content p {
    font-size: 24px;
    line-height: 48px;
  }
  .work .work_list li:nth-child(1) header::before {
    width: 12px;
    height: 12px;
    left: -7px;
  }
  .work .work_list li:nth-child(2) em:before {
    background-position: -60px -254px;
  }
  .work .work_list li:nth-child(3) em:before {
    background-position: -120px -254px;
  }
  .work .work_list li:nth-child(4) em:before {
    background-position: -180px -254px;
  }
  .work .work_list li:last-of-type .content p:after {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    left: -6px;
  }
  .demos .container {
    padding-top: 50px;
  }
  .demos .demos_list {
    padding-top: 40px;
  }
  .demos .demos_list > li {
    margin-top: 10px;
  }
  .demos .demos_list > li > h2 {
    text-indent: 20px;
    line-height: 100px;
    font-size: 36px;
  }
  .demos .demos_list > li > h2 span {
    width: 40px;
    height: 40px;
    background: url(../images//icon.png) no-repeat -135px 0;
    background-size: 400px;
    margin-left: 19px;
    margin-top: 30px;
  }
  .demos .demos_list > li > h2 span.li_active {
    background-position: -95px 0;
  }
  .demos .demos_list > li .item_list li .item_name {
    font-size: 32px;
    line-height: 99px;
    text-indent: 30px;
    border-top: 3px solid #eef2f5;
  }
  .demos .demos_list > li .item_list li .item_content {
    padding: 0 30px;
  }
  .demos .demos_list > li .item_list li .item_content .head {
    width: 100vw;
    margin-left: -30px;
    height: 80px;
    background-color: #000;
  }
  .demos .demos_list > li .item_list li .item_content .head .back {
    font-size: 0;
    float: left;
    background: url(../images/icon.png) no-repeat;
    width: 38px;
    height: 40px;
    background-size: 400px;
    margin: 24px 0 0 20px;
  }
  .demos .demos_list > li .item_list li .item_content header {
    height: 134px;
    padding-top: 17px;
    background: linear-gradient(#ffffff 0, #ffffff 130px, rgba(0, 0, 0, 0) 130px, rgba(0, 0, 0, 0) 134px), repeating-linear-gradient(90deg, #d8d8d8 0, #d8d8d8 4px, #ffffff 4px, #ffffff 6px);
  }
  .demos .demos_list > li .item_list li .item_content header h2 {
    line-height: 54px;
    font-size: 36px;
  }
  .demos .demos_list > li .item_list li .item_content header h4 {
    line-height: 43px;
    font-size: 24px;
  }
  .demos .demos_list > li .item_list li .item_content article {
    font-size: 30px;
    line-height: 50px;
    padding-top: 20px;
    padding-bottom: 19px;
  }
  .demos .demos_list > li .item_list li .item_content img {
    width: 100%;
  }
  .demos .demos_list > li .item_list li .item_content button {
    width: 100%;
    height: 80px;
    margin-top: 30px;
    font-size: 28px;
  }
  .demos .demos_list > li .item_list li .item_content .share {
    padding: 30px 0;
    height: 70px;
  }
  .demos .demos_list > li .item_list li .item_content .share span:first-of-type {
    line-height: 70px;
    font-size: 28px;
  }
  .demos .demos_list > li .item_list li .item_content .share span:last-of-type a {
    width: 70px;
    height: 70px;
    padding: 0 12px;
    background-size: 400px;
  }
  .demos .demos_list > li .item_list li .item_content .share span:last-of-type a:nth-of-type( 1) {
    background-position: 0px -100px;
  }
  .demos .demos_list > li .item_list li .item_content .share span:last-of-type a:nth-of-type( 2) {
    background-position: -70px -100px;
  }
  .demos .demos_list > li .item_list li .item_content .share span:last-of-type a:nth-of-type( 3) {
    background-position: -140px -100px;
  }
  .demos .demos_list > li .item_list li .item_content .share span:last-of-type a:nth-of-type( 4) {
    background-position: -210px -100px;
  }
  .demos .demos_list > li .item_list li .item_content .share span:last-of-type a:nth-of-type( 5) {
    background-position: -280px -100px;
  }
  .products .container {
    padding-top: 50px;
    padding-bottom: 42px;
  }
  .products .title h2 {
    color: #fff;
  }
  .products .title h4 {
    color: #fff;
  }
  .products .project_list > li:after {
    height: 2px;
    margin-left: -50px;
  }
  .products .project_list > li header {
    padding: 42px 0;
  }
  .products .project_list > li header .headImg {
    width: 321px;
    height: 209px;
  }
  .products .project_list > li header .headImg img {
    width: 321px;
    height: 209px;
    border-radius: 10px;
  }
  .products .project_list > li header .headTitle {
    width: 329px;
    height: 209px;
    padding: 15px 0 0 50px;
  }
  .products .project_list > li header .headTitle p {
    line-height: 47px;
  }
  .products .project_list > li header .headTitle p:first-child {
    font-size: 32px;
  }
  .products .project_list > li header .headTitle p:last-child {
    font-size: 24px;
  }
  .products .project_list > li article {
    font-size: 26px;
    line-height: 36px;
  }
  .products .project_list > li footer .use_skills {
    margin: 24px 0 30px 0;
  }
  .products .project_list > li footer .use_skills li {
    margin-right: 16px;
    width: 130px;
    height: 44px;
    border-radius: 3px;
    line-height: 44px;
    font-size: 24px;
  }
  .backtop {
    width: 84px;
    height: 84px;
    background: url(../images/icon.png) 0 -170px;
    background-size: 400px;
    right: 24px;
    bottom: 24px;
  }
}
/* -------------------------  MD尺寸 ------------------------- */
@media all and (min-width: 960px) and (max-width: 1179px) {
  .col-md-1 {
    width: 3.125%;
    float: left;
  }
  .col-md-2 {
    width: 6.25%;
    float: left;
  }
  .col-md-3 {
    width: 9.375%;
    float: left;
  }
  .col-md-4 {
    width: 12.5%;
    float: left;
  }
  .col-md-5 {
    width: 15.625%;
    float: left;
  }
  .col-md-6 {
    width: 18.75%;
    float: left;
  }
  .col-md-7 {
    width: 21.875%;
    float: left;
  }
  .col-md-8 {
    width: 25%;
    float: left;
  }
  .col-md-9 {
    width: 28.125%;
    float: left;
  }
  .col-md-10 {
    width: 31.25%;
    float: left;
  }
  .col-md-11 {
    width: 34.375%;
    float: left;
  }
  .col-md-12 {
    width: 37.5%;
    float: left;
  }
  .col-md-13 {
    width: 40.625%;
    float: left;
  }
  .col-md-14 {
    width: 43.75%;
    float: left;
  }
  .col-md-15 {
    width: 46.875%;
    float: left;
  }
  .col-md-16 {
    width: 50%;
    float: left;
  }
  .col-md-17 {
    width: 53.125%;
    float: left;
  }
  .col-md-18 {
    width: 56.25%;
    float: left;
  }
  .col-md-19 {
    width: 59.375%;
    float: left;
  }
  .col-md-20 {
    width: 62.5%;
    float: left;
  }
  .col-md-21 {
    width: 65.625%;
    float: left;
  }
  .col-md-22 {
    width: 68.75%;
    float: left;
  }
  .col-md-23 {
    width: 71.875%;
    float: left;
  }
  .col-md-24 {
    width: 75%;
    float: left;
  }
  .col-md-25 {
    width: 78.125%;
    float: left;
  }
  .col-md-26 {
    width: 81.25%;
    float: left;
  }
  .col-md-27 {
    width: 84.375%;
    float: left;
  }
  .col-md-28 {
    width: 87.5%;
    float: left;
  }
  .col-md-29 {
    width: 90.625%;
    float: left;
  }
  .col-md-30 {
    width: 93.75%;
    float: left;
  }
  .col-md-31 {
    width: 96.875%;
    float: left;
  }
  .col-md-32 {
    width: 100%;
    float: left;
  }
  .col-md-push-1 {
    position: relative;
    left: 3.125%;
  }
  .col-md-pull-1 {
    position: relative;
    left: -3.125%;
  }
  .col-md-push-2 {
    position: relative;
    left: 6.25%;
  }
  .col-md-pull-2 {
    position: relative;
    left: -6.25%;
  }
  .col-md-push-3 {
    position: relative;
    left: 9.375%;
  }
  .col-md-pull-3 {
    position: relative;
    left: -9.375%;
  }
  .col-md-push-4 {
    position: relative;
    left: 12.5%;
  }
  .col-md-pull-4 {
    position: relative;
    left: -12.5%;
  }
  .col-md-push-5 {
    position: relative;
    left: 15.625%;
  }
  .col-md-pull-5 {
    position: relative;
    left: -15.625%;
  }
  .col-md-push-6 {
    position: relative;
    left: 18.75%;
  }
  .col-md-pull-6 {
    position: relative;
    left: -18.75%;
  }
  .col-md-push-7 {
    position: relative;
    left: 21.875%;
  }
  .col-md-pull-7 {
    position: relative;
    left: -21.875%;
  }
  .col-md-push-8 {
    position: relative;
    left: 25%;
  }
  .col-md-pull-8 {
    position: relative;
    left: -25%;
  }
  .col-md-push-9 {
    position: relative;
    left: 28.125%;
  }
  .col-md-pull-9 {
    position: relative;
    left: -28.125%;
  }
  .col-md-push-10 {
    position: relative;
    left: 31.25%;
  }
  .col-md-pull-10 {
    position: relative;
    left: -31.25%;
  }
  .col-md-push-11 {
    position: relative;
    left: 34.375%;
  }
  .col-md-pull-11 {
    position: relative;
    left: -34.375%;
  }
  .col-md-push-12 {
    position: relative;
    left: 37.5%;
  }
  .col-md-pull-12 {
    position: relative;
    left: -37.5%;
  }
  .col-md-push-13 {
    position: relative;
    left: 40.625%;
  }
  .col-md-pull-13 {
    position: relative;
    left: -40.625%;
  }
  .col-md-push-14 {
    position: relative;
    left: 43.75%;
  }
  .col-md-pull-14 {
    position: relative;
    left: -43.75%;
  }
  .col-md-push-15 {
    position: relative;
    left: 46.875%;
  }
  .col-md-pull-15 {
    position: relative;
    left: -46.875%;
  }
  .col-md-push-16 {
    position: relative;
    left: 50%;
  }
  .col-md-pull-16 {
    position: relative;
    left: -50%;
  }
  .col-md-push-17 {
    position: relative;
    left: 53.125%;
  }
  .col-md-pull-17 {
    position: relative;
    left: -53.125%;
  }
  .col-md-push-18 {
    position: relative;
    left: 56.25%;
  }
  .col-md-pull-18 {
    position: relative;
    left: -56.25%;
  }
  .col-md-push-19 {
    position: relative;
    left: 59.375%;
  }
  .col-md-pull-19 {
    position: relative;
    left: -59.375%;
  }
  .col-md-push-20 {
    position: relative;
    left: 62.5%;
  }
  .col-md-pull-20 {
    position: relative;
    left: -62.5%;
  }
  .col-md-push-21 {
    position: relative;
    left: 65.625%;
  }
  .col-md-pull-21 {
    position: relative;
    left: -65.625%;
  }
  .col-md-push-22 {
    position: relative;
    left: 68.75%;
  }
  .col-md-pull-22 {
    position: relative;
    left: -68.75%;
  }
  .col-md-push-23 {
    position: relative;
    left: 71.875%;
  }
  .col-md-pull-23 {
    position: relative;
    left: -71.875%;
  }
  .col-md-push-24 {
    position: relative;
    left: 75%;
  }
  .col-md-pull-24 {
    position: relative;
    left: -75%;
  }
  .col-md-push-25 {
    position: relative;
    left: 78.125%;
  }
  .col-md-pull-25 {
    position: relative;
    left: -78.125%;
  }
  .col-md-push-26 {
    position: relative;
    left: 81.25%;
  }
  .col-md-pull-26 {
    position: relative;
    left: -81.25%;
  }
  .col-md-push-27 {
    position: relative;
    left: 84.375%;
  }
  .col-md-pull-27 {
    position: relative;
    left: -84.375%;
  }
  .col-md-push-28 {
    position: relative;
    left: 87.5%;
  }
  .col-md-pull-28 {
    position: relative;
    left: -87.5%;
  }
  .col-md-push-29 {
    position: relative;
    left: 90.625%;
  }
  .col-md-pull-29 {
    position: relative;
    left: -90.625%;
  }
  .col-md-push-30 {
    position: relative;
    left: 93.75%;
  }
  .col-md-pull-30 {
    position: relative;
    left: -93.75%;
  }
  .col-md-push-31 {
    position: relative;
    left: 96.875%;
  }
  .col-md-pull-31 {
    position: relative;
    left: -96.875%;
  }
  .col-md-push-32 {
    position: relative;
    left: 100%;
  }
  .col-md-pull-32 {
    position: relative;
    left: -100%;
  }
}
@media all and (min-width: 960px) {
  .box_bj {
    background: url(../images/big_bj.png) no-repeat center top #1f2229;
    background-size: 100%;
  }
  .container {
    padding: 0;
    width: 960px;
    margin: 0 auto;
  }
  .nav {
    height: 99px;
    border-bottom: 1px solid #333039;
  }
  .nav .back {
    display: none;
  }
  .nav h1 {
    display: block;
    color: #fff;
    font-size: 36px;
    line-height: 99px;
  }
  .nav h1 span {
    display: inline-block;
    font-family: "微软雅黑";
    font-size: 16px;
    color: #e16b5f;
    line-height: 82px;
    padding-top: 17px;
    padding-left: 55px;
    vertical-align: top;
  }
  .nav .contact {
    float: right;
    padding-right: 13px;
  }
  .nav .contact a {
    height: 99px;
    line-height: 99px;
    font-size: 14px;
  }
  .nav .contact a:first-of-type::before,
  .nav .contact a:last-of-type::before {
    width: 30px;
    height: 30px;
    background: url(../images/icon.png) no-repeat 0px -20px;
    background-size: 200px;
    margin: 34px 8px 0 34px;
  }
  .nav .contact a:first-of-type {
    margin-right: 0px;
  }
  .nav .contact a:last-of-type::before {
    background-position: -30px -20px;
  }
  .title h2 {
    font-size: 36px;
    line-height: 46px;
  }
  .title h4 {
    font-size: 16px;
    line-height: 28px;
  }
  .md_hide {
    display: none;
  }
  .self_bj {
    height: 350px;
  }
  .self_bj .self_pic .pic_box {
    padding: 75px 20px;
  }
  .self_bj .self_pic .pic_box img {
    width: 200px;
    height: 200px;
    border: 3px solid #e16b5f;
  }
  .self_bj .self_sign {
    padding: 0 0 0 25px;
    box-sizing: border-box;
    background: none;
    font-size: 14px;
    line-height: 24px;
    margin-top: 151px;
  }
  .self_bj .self_sign:before,
  .self_bj .self_sign:after {
    width: 15px;
    height: 15px;
    background: url(../images/icon.png) no-repeat -21.92307692px 0;
    background-size: 230.76923077px;
    left: 1px;
    top: 2px;
  }
  .self_bj .self_sign:after {
    background-position: -36.92307692px 0;
    margin-top: 4px;
    margin-left: 7px;
  }
  .self_bj .self_mes {
    padding-top: 66px;
  }
  .self_bj .self_mes li {
    font-size: 14px;
    line-height: 30px;
  }
  .self_bj .self_mes li span {
    width: 78px;
    padding-right: 11px;
  }
  .self_bj .self_mes li span::after {
    width: 7px;
    height: 7px;
    top: 11px;
    right: -5px;
  }
  .self_bj .self_mes li p {
    margin-left: 78px;
    line-height: 30px;
    padding: 0px 0 0 13px;
  }
  .self_bj .self_mes li:last-of-type p:before {
    height: 15px;
  }
  .skill_bj {
    padding-top: 36px;
  }
  .skill_bj .skill_list {
    padding-top: 22px;
    padding-bottom: 59px;
  }
  .skill_bj .skill_list li {
    height: 60px;
  }
  .skill_bj .skill_list li span:first-of-type,
  .skill_bj .skill_list li span:last-of-type {
    position: absolute;
    height: 40px;
    line-height: 40px;
    font-size: 20px;
  }
  .skill_bj .skill_list li span:first-of-type {
    width: 59px;
    top: 20px;
    left: 0;
  }
  .skill_bj .skill_list li span:last-of-type {
    top: 20px;
    left: 59px;
  }
  .skill_bj .skill_list li em {
    top: 20px;
    left: 59px;
    height: 40px;
  }
  .work {
    padding-top: 42px;
    padding-bottom: 73px;
  }
  .work .work_list {
    padding-top: 34px;
    padding-left: 0;
  }
  .work .work_list li {
    position: relative;
    padding-left: 50%;
  }
  .work .work_list li header {
    position: relative;
    height: 37px;
  }
  .work .work_list li header span:nth-child(1) {
    font-size: 18px;
    line-height: 37px;
    float: right;
    padding-right: 19px;
    padding-left: 0;
    padding-top: 0;
  }
  .work .work_list li header span:nth-child(2) {
    font-size: 14px;
    height: 41px;
    line-height: 41px;
    position: absolute;
    right: 19px;
    top: 55px;
  }
  .work .work_list li header em {
    width: 60px;
    height: 60px;
    padding: 8px;
    left: -42px;
    bottom: -42px;
    border: 2px solid transparent;
    border-top: 2px solid #e26c60;
    border-bottom: 2px solid #e26c60;
  }
  .work .work_list li header em::before {
    width: 60px;
    height: 60px;
    background: url(../images/icon.png) 0 -254px no-repeat;
    background-size: 400px;
    z-index: 3;
  }
  .work .work_list li header::after {
    width: 10px;
    height: 10px;
    bottom: -5px;
  }
  .work .work_list li .content {
    padding-left: 33px;
    padding-top: 0;
    border-left: 2px solid #985a99;
    margin-left: -2px;
  }
  .work .work_list li .content h4 {
    font-size: 18px;
    line-height: 42px;
  }
  .work .work_list li .content h4::before {
    width: 10px;
    height: 10px;
    left: -77px;
    top: -10px;
  }
  .work .work_list li .content p {
    font-size: 12px;
    line-height: 23px;
    padding-top: 2px;
  }
  .work .work_list li:nth-child(1) header {
    padding-top: 57px;
  }
  .work .work_list li:nth-child(1) header span:nth-child(2) {
    top: 96px;
  }
  .work .work_list li:nth-child(1) header::before {
    width: 10px;
    height: 10px;
    left: -6px;
  }
  .work .work_list li:nth-child(2) em:before {
    background-position: -60px -254px !important;
  }
  .work .work_list li:nth-child(3) em:before {
    background-position: -120px -254px !important;
  }
  .work .work_list li:nth-child(4) em:before {
    background-position: -180px -254px !important;
  }
  .work .work_list li:last-of-type .content p {
    position: relative;
  }
  .work .work_list li:last-of-type .content p:after {
    width: 10px;
    height: 10px;
    left: 478px;
    bottom: 0;
    background-color: #e26c60;
  }
  .work .work_list li:nth-child(odd) header {
    border-top-color: #e26c60;
  }
  .work .work_list li:nth-child(odd) header::after {
    background-color: #e26c60;
  }
  .work .work_list li:nth-child(odd) em {
    border-top-color: #e26c60;
    border-bottom-color: #985a99;
  }
  .work .work_list li:nth-child(odd) .content {
    border-color: #985a99;
  }
  .work .work_list li:nth-child(odd) .content h4:before {
    background-color: #985a99;
  }
  .work .work_list li:nth-child(even) {
    padding-left: 0;
    padding-right: 50%;
  }
  .work .work_list li:nth-child(even) header {
    padding-left: 16px;
    border-left: none;
    border-right: 2px solid #985a99;
  }
  .work .work_list li:nth-child(even) header span:nth-child(1) {
    float: left;
  }
  .work .work_list li:nth-child(even) header span:nth-child(2) {
    padding-right: 53px;
  }
  .work .work_list li:nth-child(even) header::after {
    right: -46px;
    bottom: -2px;
    background-color: #e26c60;
  }
  .work .work_list li:nth-child(even) header em {
    left: 440px;
    border-top-color: #985a99;
    border-bottom-color: #e26c60;
    transform: rotate(-45deg);
  }
  .work .work_list li:nth-child(even) header em::before {
    background: url(../images/icon.png) 0 -254px no-repeat;
    background-size: 400px;
    z-index: 3;
  }
  .work .work_list li:nth-child(even) .content {
    padding-left: 0;
    padding-right: 19px;
    border-left: none;
    border-right: 2px solid #e26c60;
    margin-right: -2px;
  }
  .work .work_list li:nth-child(even) .content h4 {
    padding-left: 16px;
  }
  .work .work_list li:nth-child(even) .content h4:before {
    background-color: #985a99;
    left: 0;
    top: -6px;
  }
  .work .work_list li:nth-child(even) .content p {
    text-align: right;
  }
  .demos {
    background: #eef2f5;
    height: 680px;
    box-sizing: border-box;
  }
  .demos .container {
    padding-top: 44px;
  }
  .demos .demos_list {
    width: 320px;
    padding-top: 20px;
    position: relative;
  }
  .demos .demos_list > li {
    margin-top: 10px;
  }
  .demos .demos_list > li > h2 {
    text-indent: 44px;
    line-height: 50px;
    font-size: 18px;
  }
  .demos .demos_list > li > h2 span {
    width: 24px;
    height: 24px;
    background: url(../images//icon.png) no-repeat -81px 0;
    background-size: 240px;
    margin-left: 10px;
    margin-top: 14px;
  }
  .demos .demos_list > li > h2 span.li_active {
    background-position: -57px 0;
  }
  .demos .demos_list > li .item_list li .item_name {
    font-size: 14px;
    line-height: 47px;
    text-indent: 66px;
    border-top: none;
  }
  .demos .demos_list > li .item_list li:nth-of-type(1) .item_content {
    height: 528px;
  }
  .demos .demos_list > li .item_list li .item_content {
    position: absolute;
    padding: 26px 30px;
    width: 620px;
    height: 408px;
    left: 340px;
    top: 30px;
    background-color: #fff;
    box-sizing: border-box;
    transform: translateX(0);
  }
  .demos .demos_list > li .item_list li .item_content header {
    height: 65px;
    padding: 0;
    background: linear-gradient(#ffffff 0, #ffffff 63px, rgba(0, 0, 0, 0) 63px, rgba(0, 0, 0, 0) 65px), repeating-linear-gradient(90deg, #d8d8d8 0, #d8d8d8 4px, #ffffff 4px, #ffffff 6px);
  }
  .demos .demos_list > li .item_list li .item_content header h2 {
    line-height: 27px;
    font-size: 18px;
    color: #000;
  }
  .demos .demos_list > li .item_list li .item_content header h4 {
    line-height: 22px;
    font-size: 12px;
  }
  .demos .demos_list > li .item_list li .item_content article {
    font-size: 14px;
    line-height: 30px;
    padding-top: 9px;
    padding-bottom: 15px;
  }
  .demos .demos_list > li .item_list li .item_content img {
    width: 100%;
  }
  .demos .demos_list > li .item_list li .item_content button {
    width: 160px;
    height: 40px;
    background-color: #e26c60;
    color: #fff;
    margin-top: 20px;
    font-size: 16px;
    float: left;
  }
  .demos .demos_list > li .item_list li .item_content button:hover {
    background-color: #e6948c;
    cursor: pointer;
  }
  .demos .demos_list > li .item_list li .item_content .share {
    padding: 0;
    height: 40px;
    position: absolute;
    right: 278px;
    bottom: 31px;
  }
  .demos .demos_list > li .item_list li .item_content .share span:first-of-type {
    line-height: 40px;
    font-size: 14px;
  }
  .demos .demos_list > li .item_list li .item_content .share span:last-of-type {
    position: absolute;
    float: left;
    width: 250px;
  }
  .demos .demos_list > li .item_list li .item_content .share span:last-of-type a {
    float: left;
    display: inline-block;
    width: 32px;
    height: 32px;
    padding: 4px;
    background: url(../images/icon.png) no-repeat;
    background-size: 400px;
    background-origin: content-box;
    background-clip: content-box;
    margin-left: 10px;
  }
  .demos .demos_list > li .item_list li .item_content .share span:last-of-type a:nth-of-type( 1) {
    background-position: -180px 0;
  }
  .demos .demos_list > li .item_list li .item_content .share span:last-of-type a:nth-of-type( 2) {
    background-position: -212px 0;
  }
  .demos .demos_list > li .item_list li .item_content .share span:last-of-type a:nth-of-type( 3) {
    background-position: -244px 0;
  }
  .demos .demos_list > li .item_list li .item_content .share span:last-of-type a:nth-of-type( 4) {
    background-position: -276px 0;
  }
  .demos .demos_list > li .item_list li .item_content .share span:last-of-type a:nth-of-type( 5) {
    background-position: -308px 0;
  }
  .demos .demos_list > li .item_list li:first-of-type {
    border-top: none;
  }
  .demos .demos_list > li .item_list .item_active .item_name {
    background: #fdf6f5;
    border-color: #e4877e;
  }
  .products .container {
    padding-top: 44px;
    padding-bottom: 42px;
  }
  .products .project_list > li {
    position: relative;
  }
  .products .project_list > li:after {
    content: "";
    display: block;
    width: 100%;
    height: 2px;
    background-color: #e88980;
    margin-left: 0;
  }
  .products .project_list > li:last-of-type:after {
    height: 0;
  }
  .products .project_list > li header {
    padding: 34px 0;
    width: 100%;
    position: relative;
    float: right;
    display: block;
  }
  .products .project_list > li header .headImg {
    width: 336px;
    height: 226px;
    float: right;
  }
  .products .project_list > li header .headImg img {
    width: 336px;
    height: 226px;
    border-radius: 10px;
  }
  .products .project_list > li header .headTitle {
    float: left;
    padding: 0;
  }
  .products .project_list > li header .headTitle p {
    line-height: 35px;
  }
  .products .project_list > li header .headTitle p:first-child {
    font-size: 24px;
    font-weight: bold;
  }
  .products .project_list > li header .headTitle p:last-child {
    font-size: 16px;
    color: #cfcfcf;
  }
  .products .project_list > li article {
    width: 624px;
    padding-right: 72px;
    box-sizing: border-box;
    font-size: 14px;
    line-height: 24px;
    color: #fff;
    position: absolute;
    top: 120px;
    left: 0;
  }
  .products .project_list > li footer {
    margin: 22px 0;
    position: absolute;
    bottom: 0;
    left: 0;
  }
  .products .project_list > li footer .use_skills {
    margin: 0;
  }
  .products .project_list > li footer .use_skills li {
    margin-right: 10px;
    width: 82px;
    height: 28px;
    border-radius: 3px;
    line-height: 28px;
    font-size: 14px;
  }
  .backtop {
    width: 84px;
    height: 84px;
    background: url(../images/icon.png) 0 -170px;
    background-size: 400px;
    right: 24px;
    bottom: 24px;
  }
  .backtop:hover {
    background-position-x: -84px;
    cursor: pointer;
  }
}
/* -------------------------  LG尺寸 ------------------------- */
@media all and (min-width: 1180px) {
  .container {
    width: 1180px;
  }
  .col-lg-1 {
    width: 1.69491525%;
    float: left;
  }
  .col-lg-2 {
    width: 3.38983051%;
    float: left;
  }
  .col-lg-3 {
    width: 5.08474576%;
    float: left;
  }
  .col-lg-4 {
    width: 6.77966102%;
    float: left;
  }
  .col-lg-5 {
    width: 8.47457627%;
    float: left;
  }
  .col-lg-6 {
    width: 10.16949153%;
    float: left;
  }
  .col-lg-7 {
    width: 11.86440678%;
    float: left;
  }
  .col-lg-8 {
    width: 13.55932203%;
    float: left;
  }
  .col-lg-9 {
    width: 15.25423729%;
    float: left;
  }
  .col-lg-10 {
    width: 16.94915254%;
    float: left;
  }
  .col-lg-11 {
    width: 18.6440678%;
    float: left;
  }
  .col-lg-12 {
    width: 20.33898305%;
    float: left;
  }
  .col-lg-13 {
    width: 22.03389831%;
    float: left;
  }
  .col-lg-14 {
    width: 23.72881356%;
    float: left;
  }
  .col-lg-15 {
    width: 25.42372881%;
    float: left;
  }
  .col-lg-16 {
    width: 27.11864407%;
    float: left;
  }
  .col-lg-17 {
    width: 28.81355932%;
    float: left;
  }
  .col-lg-18 {
    width: 30.50847458%;
    float: left;
  }
  .col-lg-19 {
    width: 32.20338983%;
    float: left;
  }
  .col-lg-20 {
    width: 33.89830508%;
    float: left;
  }
  .col-lg-21 {
    width: 35.59322034%;
    float: left;
  }
  .col-lg-22 {
    width: 37.28813559%;
    float: left;
  }
  .col-lg-23 {
    width: 38.98305085%;
    float: left;
  }
  .col-lg-24 {
    width: 40.6779661%;
    float: left;
  }
  .col-lg-25 {
    width: 42.37288136%;
    float: left;
  }
  .col-lg-26 {
    width: 44.06779661%;
    float: left;
  }
  .col-lg-27 {
    width: 45.76271186%;
    float: left;
  }
  .col-lg-28 {
    width: 47.45762712%;
    float: left;
  }
  .col-lg-29 {
    width: 49.15254237%;
    float: left;
  }
  .col-lg-30 {
    width: 50.84745763%;
    float: left;
  }
  .col-lg-31 {
    width: 52.54237288%;
    float: left;
  }
  .col-lg-32 {
    width: 54.23728814%;
    float: left;
  }
  .col-lg-33 {
    width: 55.93220339%;
    float: left;
  }
  .col-lg-34 {
    width: 57.62711864%;
    float: left;
  }
  .col-lg-35 {
    width: 59.3220339%;
    float: left;
  }
  .col-lg-36 {
    width: 61.01694915%;
    float: left;
  }
  .col-lg-37 {
    width: 62.71186441%;
    float: left;
  }
  .col-lg-38 {
    width: 64.40677966%;
    float: left;
  }
  .col-lg-39 {
    width: 66.10169492%;
    float: left;
  }
  .col-lg-40 {
    width: 67.79661017%;
    float: left;
  }
  .col-lg-41 {
    width: 69.49152542%;
    float: left;
  }
  .col-lg-42 {
    width: 71.18644068%;
    float: left;
  }
  .col-lg-43 {
    width: 72.88135593%;
    float: left;
  }
  .col-lg-44 {
    width: 74.57627119%;
    float: left;
  }
  .col-lg-45 {
    width: 76.27118644%;
    float: left;
  }
  .col-lg-46 {
    width: 77.96610169%;
    float: left;
  }
  .col-lg-47 {
    width: 79.66101695%;
    float: left;
  }
  .col-lg-48 {
    width: 81.3559322%;
    float: left;
  }
  .col-lg-49 {
    width: 83.05084746%;
    float: left;
  }
  .col-lg-50 {
    width: 84.74576271%;
    float: left;
  }
  .col-lg-51 {
    width: 86.44067797%;
    float: left;
  }
  .col-lg-52 {
    width: 88.13559322%;
    float: left;
  }
  .col-lg-53 {
    width: 89.83050847%;
    float: left;
  }
  .col-lg-54 {
    width: 91.52542373%;
    float: left;
  }
  .col-lg-55 {
    width: 93.22033898%;
    float: left;
  }
  .col-lg-56 {
    width: 94.91525424%;
    float: left;
  }
  .col-lg-57 {
    width: 96.61016949%;
    float: left;
  }
  .col-lg-58 {
    width: 98.30508475%;
    float: left;
  }
  .col-lg-59 {
    width: 100%;
    float: left;
  }
  .col-lg-push-1 {
    position: relative;
    left: 1.69491525%;
  }
  .col-lg-pull-1 {
    position: relative;
    left: -1.69491525%;
  }
  .col-lg-push-2 {
    position: relative;
    left: 3.38983051%;
  }
  .col-lg-pull-2 {
    position: relative;
    left: -3.38983051%;
  }
  .col-lg-push-3 {
    position: relative;
    left: 5.08474576%;
  }
  .col-lg-pull-3 {
    position: relative;
    left: -5.08474576%;
  }
  .col-lg-push-4 {
    position: relative;
    left: 6.77966102%;
  }
  .col-lg-pull-4 {
    position: relative;
    left: -6.77966102%;
  }
  .col-lg-push-5 {
    position: relative;
    left: 8.47457627%;
  }
  .col-lg-pull-5 {
    position: relative;
    left: -8.47457627%;
  }
  .col-lg-push-6 {
    position: relative;
    left: 10.16949153%;
  }
  .col-lg-pull-6 {
    position: relative;
    left: -10.16949153%;
  }
  .col-lg-push-7 {
    position: relative;
    left: 11.86440678%;
  }
  .col-lg-pull-7 {
    position: relative;
    left: -11.86440678%;
  }
  .col-lg-push-8 {
    position: relative;
    left: 13.55932203%;
  }
  .col-lg-pull-8 {
    position: relative;
    left: -13.55932203%;
  }
  .col-lg-push-9 {
    position: relative;
    left: 15.25423729%;
  }
  .col-lg-pull-9 {
    position: relative;
    left: -15.25423729%;
  }
  .col-lg-push-10 {
    position: relative;
    left: 16.94915254%;
  }
  .col-lg-pull-10 {
    position: relative;
    left: -16.94915254%;
  }
  .col-lg-push-11 {
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    left: 30.50847458%;
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    left: 32.20338983%;
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    left: 84.74576271%;
  }
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  }
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    left: 86.44067797%;
  }
  .col-lg-pull-51 {
    position: relative;
    left: -86.44067797%;
  }
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    left: 88.13559322%;
  }
  .col-lg-pull-52 {
    position: relative;
    left: -88.13559322%;
  }
  .col-lg-push-53 {
    position: relative;
    left: 89.83050847%;
  }
  .col-lg-pull-53 {
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    left: -89.83050847%;
  }
  .col-lg-push-54 {
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    left: 91.52542373%;
  }
  .col-lg-pull-54 {
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  }
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    left: 93.22033898%;
  }
  .col-lg-pull-55 {
    position: relative;
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  }
  .col-lg-push-56 {
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    left: 94.91525424%;
  }
  .col-lg-pull-56 {
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  }
  .col-lg-push-57 {
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    left: 96.61016949%;
  }
  .col-lg-pull-57 {
    position: relative;
    left: -96.61016949%;
  }
  .col-lg-push-58 {
    position: relative;
    left: 98.30508475%;
  }
  .col-lg-pull-58 {
    position: relative;
    left: -98.30508475%;
  }
  .col-lg-push-59 {
    position: relative;
    left: 100%;
  }
  .col-lg-pull-59 {
    position: relative;
    left: -100%;
  }
  .nav {
    border-bottom-color: #37303b;
  }
  .nav .contact {
    padding-right: 0px;
  }
  .self_bj {
    height: 350px;
  }
  .self_bj .self_pic .pic_box {
    padding: 75px 30px;
  }
  .self_bj .self_pic .pic_box img {
    width: 200px;
    height: 200px;
    border: 3px solid #e16b5f;
  }
  .self_bj .self_sign {
    padding: 0 67px 0 25px;
  }
  .self_bj .self_mes li span {
    width: 134px;
  }
  .self_bj .self_mes li p {
    margin-left: 134px;
  }
  .work .work_list li:nth-child(even) header em {
    left: 550px;
    border-top-color: #985a99;
    border-bottom-color: #e26c60;
    transform: rotate(-45deg);
  }
  .work .work_list li:nth-child(even) header em::before {
    background: url(../images/icon.png) 0 -254px no-repeat;
    background-size: 400px;
    left: 4;
    bottom: 4;
    z-index: 3;
  }
  .work .work_list li:last-of-type .content p:after {
    left: 588px;
  }
  .demos {
    height: 700px;
  }
  .demos .demos_list {
    width: 360px;
  }
  .demos .demos_list > li .item_list li:nth-of-type(1) .item_content {
    height: 512px;
  }
  .demos .demos_list > li .item_list li .item_content {
    width: 800px;
    left: 380px;
  }
  .demos .demos_list > li .item_list li .item_content article {
    line-height: 35px;
    padding-bottom: 9px;
  }
  .demos .demos_list > li .item_list li .item_content img {
    width: 100%;
    height: 173px;
  }
}
